Area Under the Arc

Area Under the Arc

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The Area Under Arc function is found only in the Construct menu at the top of the main window.  Here are the steps:

  1. Select an arc drawn over a function.
  2. Select Construct / Area Under Arc.

A filled area is created between the arc and the X axis.  The necessary lines and points containing the area are automatically added.

area_under_arc1    area_under_arc2 

 

This is a great way to illustrate the definite integral.